Mitsubishi Electric PQHY-P200YLM-A Service Handbook page 31

[ II Restrictions ]
1) M-NET transmission line
Facility
type
Type
Cable type
Number of
cores
Cable size
Maximum transmission
line distance between the
heat source unit and the
farthest indoor unit
Maximum transmission
line distance for central-
ized control and Indoor-
heat source transmission
line (Maximum line dis-
tance via heat source unit)
2) Remote controller wiring
Type
Number of
cores
Cable type
Cable size
Maximum overall line
length
*1 MA remote controller refers to MA remote controller (PAR-31MAA, PAR-21MAA), Simple MA Remote Controller, and
wireless remote controller.
*2 The use of cables that are smaller than 0.75mm
*3 When connected to the terminal block on the Simple remote controller, use cables that meet the cable size specifi-
cations shown in the parenthesis.
*4 When connecting PAR-31MAA or Simple MA Remote Controller, use sheathed cable with a minimum thickness of
2
0.3mm .
*5 ME remote controller refers to ME remote controller and Simple ME Remote Controller.
HWE15060
Shielded cable CVVS, CPEVS, MVVS
Larger than 1.25mm
500 m [1640ft] max.
*The maximum overall line length from the power supply unit on the transmission lines for
centralized control to each heat source unit or to the system controller is 200m [656ft] max.
MA remote controller
VCTF, VCTFK, CVV, CVS, VVR, VVF, VCT Shielded cable MVVS
2-core cable
2 *2 *4
0.3 to 1.25mm
[AWG22 to 16]
2 *3
(0.75 mm )
200 m [656ft] max.
2
(AWG18) is recommended for easy handling.
- 22 -
All facility types
2-core cable
2
[AWG16], or ø1.2mm or above
200 m [656ft] max.
*1
ME remote controller
2-core cable
0.3 to 1.25mm
[AWG22 to 16]
(0.75 to 1.25mm
[AWG18 to 16]
The section of the cable that exceeds 10m
[32ft] must be included in the maximum in-
door-heat source transmission line distance.
*5
2 *2
2 *3
)
GB